Polygonal speaker grill



FIG. 1 is a front elevational view of a polygonal speaker grill showing our new design;

FIG. 2 is another front elevation view thereof, with the slats on the grill being vertically positioned;

FIG. 3 is another front elevation view thereof, with the slats on the grill being diagonally positioned;

FIG. 4 is a rear elevational view of the speaker grill design.

FIG. 5 is a right side elevational view of FIG. 1, with the right side elevational views of FIG. 2 and FIG. 3 (not shown) differing only in the vertical or diagonal position of the slats, respectively; and,

FIG. 6 is a left side elevational view of FIG. 1, with the left side elevational views of FIG. 2 and FIG. 3 (not shown) differing only in the vertical or diagonal position of the slats, respectively.

The broken line showing on the drawing disclosure is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a polygonal speaker grill, as shown and described. 